Joint for pipe structure



FIG. 1 is a top, front, and right side perspective view of a joint for pipe structure showing our new design;

FIG. 2 is a top plan view;

FIG. 3 is a front elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a left side elevational view;

FIG. 6 is a bottom plan view;

FIG. 7 is a cross sectional view taken in the direction of the arrows on line VII--VII of FIG. 2;

FIG. 8 is a cross sectional view taken in the direction of the arrows on line VIII--VIII of FIG. 3;

FIG. 9 is a cross sectional view taken in the direction of the arrows on line IX--IX of FIG. 3;

FIG. 10 is a top, front, and right side perspective view with the pipe being for illustrative purposes only; and,

FIG. 11 is a reduced perspective view, the dashed-and-two-dotted lines showing of pipes, wires, and wheels, the full lines showing of the joints for the pipe structure and additional joints for the pipe structure being for illustrative purposes only. 

The ornamental design for a joint for pipe structure, as shown and described. 